NRCA Architectural Metal Flashing, Condensation Control and Reroofing

This manual contains information about the design, materials and installation techniques applicable to architectural sheet-metal components. In addition, this manual provides background information regarding moisture issues in buildings such has ventilation for steep-slope roof assemblies and condensation control for low-slope roof systems. Also covered are considerations and guidelines for projects that involve tearing off, re-covering and replacement of old roof systems.